ŞAHİNLİ, M. A. The Lınear Expendıture System And Its Applıcatıon To Turkısh Commodıty Groups. International Journal of Social and Economic Sciences, [S. l.], v. 3, n. 1, p. 71–74, 2019. Disponível em: https://www.ijses.org/index.php/ijses/article/view/89. Acesso em: 21 may. 2022.